Renters at an apartment community just south of Denver are between a rock and a hard place, ordered by their landlord to either get rid of their weapons or move out. The manager at Oakwood Apartments in Castle Rock, Colo., sent a notice to renters last week advising them of the new rule banning all “firearms and weapons” from the premises, a local news station reported. Residents have until Oct. 1 to comply. The rule has one worried — and outraged. Art Dorsch, 77, a Marine Corps veteran and avid hunter with a concealed carry permit, said he lives on...